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Drug interactions

Cinnamon + Diclofenac

Severity: Minor

Cinnamon and Diclofenac: minor interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Cinnamon contains coumarin, which in large amounts could theoretically add to bleeding tendency with diclofenac. Clinical evidence for a meaningful interaction is lacking.

What this interaction means in plain words

Cinnamon and Diclofenac have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Theoretical additive effect on coagulation from coumarin content in some cinnamon types.

What to do

No routine action is needed; advise patients to report unusual bleeding when taking large supplemental amounts.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Cinnamon with Diclofenac?

MediHelp rates the interaction as minor. Cinnamon and Diclofenac have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Cinnamon contains coumarin, which in large amounts could theoretically add to bleeding tendency with diclofenac. Clinical evidence for a meaningful interaction is lacking.

How serious is the interaction between Cinnamon and Diclofenac?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine action is needed; advise patients to report unusual bleeding when taking large supplemental amounts.

What other medicines interact with Diclofenac?

MediHelp also lists interactions of Diclofenac with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Diclofenac page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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